词汇	精苦
释义	精苦 jīng kǔ精勤刻苦。
随便看	a truck A truck A truck appeared in the back of them A truck come to a stop in front of the hotel A truck drew out of a side street A truck drew up in front of the house a truck driver a truck farm a truck farmer A truck is an important tool for transportation a truck jockey a truckload a truck loaded with supplies A truck loaded with wood passed by A truck rammed a motorbike A truck roared past me A truck this old was bound to have a flaw A truck,tub,or basket used in a mine A truck, tub, or basket used in a mine A truck went by A truck went by us at full speed atructural chromosomal abnormality atructural difference atructure a truculent speech